define(function(require, exports, module) {

    /*! iScroll v5.1.2 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */
    (function (window, document, Math) {
        var rAF = window.requestAnimationFrame	||
            window.webkitRequestAnimationFrame	||
            window.mozRequestAnimationFrame		||
            window.oRequestAnimationFrame		||
            window.msRequestAnimationFrame		||
            function (callback) { window.setTimeout(callback, 1000 / 60); };

        var utils = (function () {
            var me = {};

            var _elementStyle = document.createElement('div').style;
            var _vendor = (function () {
                var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'],
                    transform,
                    i = 0,
                    l = vendors.length;

                for ( ; i < l; i++ ) {
                    transform = vendors[i] + 'ransform';
                    if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1);
                }

                return false;
            })();

            function _prefixStyle (style) {
                if ( _vendor === false ) return false;
                if ( _vendor === '' ) return style;
                return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
            }

            me.getTime = Date.now || function getTime () { return new Date().getTime(); };

            me.extend = function (target, obj) {
                for ( var i in obj ) {
                    target[i] = obj[i];
                }
            };

            me.addEvent = function (el, type, fn, capture) {
                el.addEventListener(type, fn, !!capture);
            };

            me.removeEvent = function (el, type, fn, capture) {
                el.removeEventListener(type, fn, !!capture);
            };

            me.prefixPointerEvent = function (pointerEvent) {
                return window.MSPointerEvent ?
                    'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10):
                    pointerEvent;
            };

            me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
                var distance = current - start,
                    speed = Math.abs(distance) / time,
                    destination,
                    duration;

                deceleration = deceleration === undefined ? 0.0006 : deceleration;

                destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 );
                duration = speed / deceleration;

                if ( destination < lowerMargin ) {
                    destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin;
                    distance = Math.abs(destination - current);
                    duration = distance / speed;
                } else if ( destination > 0 ) {
                    destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0;
                    distance = Math.abs(current) + destination;
                    duration = distance / speed;
                }

                return {
                    destination: Math.round(destination),
                    duration: duration
                };
            };

            var _transform = _prefixStyle('transform');

            me.extend(me, {
                hasTransform: _transform !== false,
                hasPerspective: _prefixStyle('perspective') in _elementStyle,
                hasTouch: 'ontouchstart' in window,
                hasPointer: window.PointerEvent || window.MSPointerEvent, // IE10 is prefixed
                hasTransition: _prefixStyle('transition') in _elementStyle
            });

            // This should find all Android browsers lower than build 535.19 (both stock browser and webview)
            me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion));

            me.extend(me.style = {}, {
                transform: _transform,
                transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
                transitionDuration: _prefixStyle('transitionDuration'),
                transitionDelay: _prefixStyle('transitionDelay'),
                transformOrigin: _prefixStyle('transformOrigin')
            });

            me.hasClass = function (e, c) {
                var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
                return re.test(e.className);
            };

            me.addClass = function (e, c) {
                if ( me.hasClass(e, c) ) {
                    return;
                }

                var newclass = e.className.split(' ');
                newclass.push(c);
                e.className = newclass.join(' ');
            };

            me.removeClass = function (e, c) {
                if ( !me.hasClass(e, c) ) {
                    return;
                }

                var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
                e.className = e.className.replace(re, ' ');
            };

            me.offset = function (el) {
                var left = -el.offsetLeft,
                    top = -el.offsetTop;

                // jshint -W084
                while (el = el.offsetParent) {
                    left -= el.offsetLeft;
                    top -= el.offsetTop;
                }
                // jshint +W084

                return {
                    left: left,
                    top: top
                };
            };

            me.preventDefaultException = function (el, exceptions) {
                for ( var i in exceptions ) {
                    if ( exceptions[i].test(el[i]) ) {
                        return true;
                    }
                }

                return false;
            };

            me.extend(me.eventType = {}, {
                touchstart: 1,
                touchmove: 1,
                touchend: 1,

                mousedown: 2,
                mousemove: 2,
                mouseup: 2,

                pointerdown: 3,
                pointermove: 3,
                pointerup: 3,

                MSPointerDown: 3,
                MSPointerMove: 3,
                MSPointerUp: 3
            });

            me.extend(me.ease = {}, {
                quadratic: {
                    style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
                    fn: function (k) {
                        return k * ( 2 - k );
                    }
                },
                circular: {
                    style: 'cubic-bezier(0.1, 0.57, 0.1, 1)',	// Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1)
                    fn: function (k) {
                        return Math.sqrt( 1 - ( --k * k ) );
                    }
                },
                back: {
                    style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
                    fn: function (k) {
                        var b = 4;
                        return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1;
                    }
                },
                bounce: {
                    style: '',
                    fn: function (k) {
                        if ( ( k /= 1 ) < ( 1 / 2.75 ) ) {
                            return 7.5625 * k * k;
                        } else if ( k < ( 2 / 2.75 ) ) {
                            return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75;
                        } else if ( k < ( 2.5 / 2.75 ) ) {
                            return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375;
                        } else {
                            return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375;
                        }
                    }
                },
                elastic: {
                    style: '',
                    fn: function (k) {
                        var f = 0.22,
                            e = 0.4;

                        if ( k === 0 ) { return 0; }
                        if ( k == 1 ) { return 1; }

                        return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 );
                    }
                }
            });

            me.tap = function (e, eventName) {
                var ev = document.createEvent('Event');
                ev.initEvent(eventName, true, true);
                ev.pageX = e.pageX;
                ev.pageY = e.pageY;
                e.target.dispatchEvent(ev);
            };

            me.click = function (e) {
                var target = e.target,
                    ev;

                if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) {
                    ev = document.createEvent('MouseEvents');
                    ev.initMouseEvent('click', true, true, e.view, 1,
                        target.screenX, target.screenY, target.clientX, target.clientY,
                        e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
                        0, null);

                    ev._constructed = true;
                    target.dispatchEvent(ev);
                }
            };

            return me;
        })();

        function IScroll (el, options) {
            this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
            this.scroller = this.wrapper.children[0];
            this.scrollerStyle = this.scroller.style;		// cache style for better performance

            this.options = {

// INSERT POINT: OPTIONS

                startX: 0,
                startY: 0,
                scrollY: true,
                directionLockThreshold: 5,
                momentum: true,

                bounce: true,
                bounceTime: 600,
                bounceEasing: '',

                preventDefault: true,
                preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },

                HWCompositing: true,
                useTransition: true,
                useTransform: true
            };

            for ( var i in options ) {
                this.options[i] = options[i];
            }

            // Normalize options
            this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';

            this.options.useTransition = utils.hasTransition && this.options.useTransition;
            this.options.useTransform = utils.hasTransform && this.options.useTransform;

            this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
            this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;

            // If you want eventPassthrough I have to lock one of the axes
            this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
            this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;

            // With eventPassthrough we also need lockDirection mechanism
            this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
            this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;

            this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;

            this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;

            if ( this.options.tap === true ) {
                this.options.tap = 'tap';
            }

// INSERT POINT: NORMALIZATION

            // Some defaults
            this.x = 0;
            this.y = 0;
            this.directionX = 0;
            this.directionY = 0;
            this._events = {};

// INSERT POINT: DEFAULTS

            this._init();
            this.refresh();

            this.scrollTo(this.options.startX, this.options.startY);
            this.enable();
        }

        IScroll.prototype = {
            version: '5.1.2',

            _init: function () {
                this._initEvents();

// INSERT POINT: _init

            },

            destroy: function () {
                this._initEvents(true);

                this._execEvent('destroy');
            },

            _transitionEnd: function (e) {
                if ( e.target != this.scroller || !this.isInTransition ) {
                    return;
                }

                this._transitionTime();
                if ( !this.resetPosition(this.options.bounceTime) ) {
                    this.isInTransition = false;
                    this._execEvent('scrollEnd');
                }
            },

            _start: function (e) {
                // React to left mouse button only
                if ( utils.eventType[e.type] != 1 ) {
                    if ( e.button !== 0 ) {
                        return;
                    }
                }

                if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) {
                    return;
                }

                if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
                    e.preventDefault();
                }

                var point = e.touches ? e.touches[0] : e,
                    pos;

                this.initiated	= utils.eventType[e.type];
                this.moved		= false;
                this.distX		= 0;
                this.distY		= 0;
                this.directionX = 0;
                this.directionY = 0;
                this.directionLocked = 0;

                this._transitionTime();

                this.startTime = utils.getTime();

                if ( this.options.useTransition && this.isInTransition ) {
                    this.isInTransition = false;
                    pos = this.getComputedPosition();
                    this._translate(Math.round(pos.x), Math.round(pos.y));
                    this._execEvent('scrollEnd');
                } else if ( !this.options.useTransition && this.isAnimating ) {
                    this.isAnimating = false;
                    this._execEvent('scrollEnd');
                }

                this.startX    = this.x;
                this.startY    = this.y;
                this.absStartX = this.x;
                this.absStartY = this.y;
                this.pointX    = point.pageX;
                this.pointY    = point.pageY;

                this._execEvent('beforeScrollStart');
            },

            _move: function (e) {
                if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
                    return;
                }

                if ( this.options.preventDefault ) {	// increases performance on Android? TODO: check!
                    e.preventDefault();
                }

                var point		= e.touches ? e.touches[0] : e,
                    deltaX		= point.pageX - this.pointX,
                    deltaY		= point.pageY - this.pointY,
                    timestamp	= utils.getTime(),
                    newX, newY,
                    absDistX, absDistY;

                this.pointX		= point.pageX;
                this.pointY		= point.pageY;

                this.distX		+= deltaX;
                this.distY		+= deltaY;
                absDistX		= Math.abs(this.distX);
                absDistY		= Math.abs(this.distY);

                // We need to move at least 10 pixels for the scrolling to initiate
                if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) {
                    return;
                }

                // If you are scrolling in one direction lock the other
                if ( !this.directionLocked && !this.options.freeScroll ) {
                    if ( absDistX > absDistY + this.options.directionLockThreshold ) {
                        this.directionLocked = 'h';		// lock horizontally
                    } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
                        this.directionLocked = 'v';		// lock vertically
                    } else {
                        this.directionLocked = 'n';		// no lock
                    }
                }

                if ( this.directionLocked == 'h' ) {
                    if ( this.options.eventPassthrough == 'vertical' ) {
                        e.preventDefault();
                    } else if ( this.options.eventPassthrough == 'horizontal' ) {
                        this.initiated = false;
                        return;
                    }

                    deltaY = 0;
                } else if ( this.directionLocked == 'v' ) {
                    if ( this.options.eventPassthrough == 'horizontal' ) {
                        e.preventDefault();
                    } else if ( this.options.eventPassthrough == 'vertical' ) {
                        this.initiated = false;
                        return;
                    }

                    deltaX = 0;
                }

                deltaX = this.hasHorizontalScroll ? deltaX : 0;
                deltaY = this.hasVerticalScroll ? deltaY : 0;

                newX = this.x + deltaX;
                newY = this.y + deltaY;

                // Slow down if outside of the boundaries
                if ( newX > 0 || newX < this.maxScrollX ) {
                    newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
                }
                if ( newY > 0 || newY < this.maxScrollY ) {
                    newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
                }

                this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
                this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;

                if ( !this.moved ) {
                    this._execEvent('scrollStart');
                }

                this.moved = true;

                this._translate(newX, newY);

                /* REPLACE START: _move */

                if ( timestamp - this.startTime > 300 ) {
                    this.startTime = timestamp;
                    this.startX = this.x;
                    this.startY = this.y;
                }

                /* REPLACE END: _move */

            },

            _end: function (e) {
                if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
                    return;
                }

                if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
                    e.preventDefault();
                }

                var point = e.changedTouches ? e.changedTouches[0] : e,
                    momentumX,
                    momentumY,
                    duration = utils.getTime() - this.startTime,
                    newX = Math.round(this.x),
                    newY = Math.round(this.y),
                    distanceX = Math.abs(newX - this.startX),
                    distanceY = Math.abs(newY - this.startY),
                    time = 0,
                    easing = '';

                this.isInTransition = 0;
                this.initiated = 0;
                this.endTime = utils.getTime();

                // reset if we are outside of the boundaries
                if ( this.resetPosition(this.options.bounceTime) ) {
                    return;
                }

                this.scrollTo(newX, newY);	// ensures that the last position is rounded

                // we scrolled less than 10 pixels
                if ( !this.moved ) {
                    if ( this.options.tap ) {
                        utils.tap(e, this.options.tap);
                    }

                    if ( this.options.click ) {
                        utils.click(e);
                    }

                    this._execEvent('scrollCancel');
                    return;
                }

                if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) {
                    this._execEvent('flick');
                    return;
                }

                // start momentum animation if needed
                if ( this.options.momentum && duration < 300 ) {
                    momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 };
                    momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 };
                    newX = momentumX.destination;
                    newY = momentumY.destination;
                    time = Math.max(momentumX.duration, momentumY.duration);
                    this.isInTransition = 1;
                }

// INSERT POINT: _end

                if ( newX != this.x || newY != this.y ) {
                    // change easing function when scroller goes out of the boundaries
                    if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) {
                        easing = utils.ease.quadratic;
                    }

                    this.scrollTo(newX, newY, time, easing);
                    return;
                }

                this._execEvent('scrollEnd');
            },

            _resize: function () {
                var that = this;

                clearTimeout(this.resizeTimeout);

                this.resizeTimeout = setTimeout(function () {
                    that.refresh();
                }, this.options.resizePolling);
            },

            resetPosition: function (time) {
                var x = this.x,
                    y = this.y;

                time = time || 0;

                if ( !this.hasHorizontalScroll || this.x > 0 ) {
                    x = 0;
                } else if ( this.x < this.maxScrollX ) {
                    x = this.maxScrollX;
                }

                if ( !this.hasVerticalScroll || this.y > 0 ) {
                    y = 0;
                } else if ( this.y < this.maxScrollY ) {
                    y = this.maxScrollY;
                }

                if ( x == this.x && y == this.y ) {
                    return false;
                }

                this.scrollTo(x, y, time, this.options.bounceEasing);

                return true;
            },

            disable: function () {
                this.enabled = false;
            },

            enable: function () {
                this.enabled = true;
            },

            refresh: function () {
                var rf = this.wrapper.offsetHeight;		// Force reflow

                this.wrapperWidth	= this.wrapper.clientWidth;
                this.wrapperHeight	= this.wrapper.clientHeight;

                /* REPLACE START: refresh */

                this.scrollerWidth	= this.scroller.offsetWidth;
                this.scrollerHeight	= this.scroller.offsetHeight;

                this.maxScrollX		= this.wrapperWidth - this.scrollerWidth;
                this.maxScrollY		= this.wrapperHeight - this.scrollerHeight;

                /* REPLACE END: refresh */

                this.hasHorizontalScroll	= this.options.scrollX && this.maxScrollX < 0;
                this.hasVerticalScroll		= this.options.scrollY && this.maxScrollY < 0;

                if ( !this.hasHorizontalScroll ) {
                    this.maxScrollX = 0;
                    this.scrollerWidth = this.wrapperWidth;
                }

                if ( !this.hasVerticalScroll ) {
                    this.maxScrollY = 0;
                    this.scrollerHeight = this.wrapperHeight;
                }

                this.endTime = 0;
                this.directionX = 0;
                this.directionY = 0;

                this.wrapperOffset = utils.offset(this.wrapper);

                this._execEvent('refresh');

                this.resetPosition();

// INSERT POINT: _refresh

            },

            on: function (type, fn) {
                if ( !this._events[type] ) {
                    this._events[type] = [];
                }

                this._events[type].push(fn);
            },

            off: function (type, fn) {
                if ( !this._events[type] ) {
                    return;
                }

                var index = this._events[type].indexOf(fn);

                if ( index > -1 ) {
                    this._events[type].splice(index, 1);
                }
            },

            _execEvent: function (type) {
                if ( !this._events[type] ) {
                    return;
                }

                var i = 0,
                    l = this._events[type].length;

                if ( !l ) {
                    return;
                }

                for ( ; i < l; i++ ) {
                    this._events[type][i].apply(this, [].slice.call(arguments, 1));
                }
            },

            scrollBy: function (x, y, time, easing) {
                x = this.x + x;
                y = this.y + y;
                time = time || 0;

                this.scrollTo(x, y, time, easing);
            },

            scrollTo: function (x, y, time, easing) {
                easing = easing || utils.ease.circular;

                this.isInTransition = this.options.useTransition && time > 0;

                if ( !time || (this.options.useTransition && easing.style) ) {
                    this._transitionTimingFunction(easing.style);
                    this._transitionTime(time);
                    this._translate(x, y);
                } else {
                    this._animate(x, y, time, easing.fn);
                }
            },

            scrollToElement: function (el, time, offsetX, offsetY, easing) {
                el = el.nodeType ? el : this.scroller.querySelector(el);

                if ( !el ) {
                    return;
                }

                var pos = utils.offset(el);

                pos.left -= this.wrapperOffset.left;
                pos.top  -= this.wrapperOffset.top;

                // if offsetX/Y are true we center the element to the screen
                if ( offsetX === true ) {
                    offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
                }
                if ( offsetY === true ) {
                    offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2);
                }

                pos.left -= offsetX || 0;
                pos.top  -= offsetY || 0;

                pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
                pos.top  = pos.top  > 0 ? 0 : pos.top  < this.maxScrollY ? this.maxScrollY : pos.top;

                time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time;

                this.scrollTo(pos.left, pos.top, time, easing);
            },

            _transitionTime: function (time) {
                time = time || 0;

                this.scrollerStyle[utils.style.transitionDuration] = time + 'ms';

                if ( !time && utils.isBadAndroid ) {
                    this.scrollerStyle[utils.style.transitionDuration] = '0.001s';
                }

// INSERT POINT: _transitionTime

            },

            _transitionTimingFunction: function (easing) {
                this.scrollerStyle[utils.style.transitionTimingFunction] = easing;

// INSERT POINT: _transitionTimingFunction

            },

            _translate: function (x, y) {
                if ( this.options.useTransform ) {

                    /* REPLACE START: _translate */

                    this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ;

                    /* REPLACE END: _translate */

                } else {
                    x = Math.round(x);
                    y = Math.round(y);
                    this.scrollerStyle.left = x + 'px';
                    this.scrollerStyle.top = y + 'px';
                }

                this.x = x;
                this.y = y;

// INSERT POINT: _translate

            },

            _initEvents: function (remove) {
                var eventType = remove ? utils.removeEvent : utils.addEvent,
                    target = this.options.bindToWrapper ? this.wrapper : window;

                eventType(window, 'orientationchange', this);
                eventType(window, 'resize', this);

                if ( this.options.click ) {
                    eventType(this.wrapper, 'click', this, true);
                }

                if ( !this.options.disableMouse ) {
                    eventType(this.wrapper, 'mousedown', this);
                    eventType(target, 'mousemove', this);
                    eventType(target, 'mousecancel', this);
                    eventType(target, 'mouseup', this);
                }

                if ( utils.hasPointer && !this.options.disablePointer ) {
                    eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
                    eventType(target, utils.prefixPointerEvent('pointermove'), this);
                    eventType(target, utils.prefixPointerEvent('pointercancel'), this);
                    eventType(target, utils.prefixPointerEvent('pointerup'), this);
                }

                if ( utils.hasTouch && !this.options.disableTouch ) {
                    eventType(this.wrapper, 'touchstart', this);
                    eventType(target, 'touchmove', this);
                    eventType(target, 'touchcancel', this);
                    eventType(target, 'touchend', this);
                }

                eventType(this.scroller, 'transitionend', this);
                eventType(this.scroller, 'webkitTransitionEnd', this);
                eventType(this.scroller, 'oTransitionEnd', this);
                eventType(this.scroller, 'MSTransitionEnd', this);
            },

            getComputedPosition: function () {
                var matrix = window.getComputedStyle(this.scroller, null),
                    x, y;

                if ( this.options.useTransform ) {
                    matrix = matrix[utils.style.transform].split(')')[0].split(', ');
                    x = +(matrix[12] || matrix[4]);
                    y = +(matrix[13] || matrix[5]);
                } else {
                    x = +matrix.left.replace(/[^-\d.]/g, '');
                    y = +matrix.top.replace(/[^-\d.]/g, '');
                }

                return { x: x, y: y };
            },

            _animate: function (destX, destY, duration, easingFn) {
                var that = this,
                    startX = this.x,
                    startY = this.y,
                    startTime = utils.getTime(),
                    destTime = startTime + duration;

                function step () {
                    var now = utils.getTime(),
                        newX, newY,
                        easing;

                    if ( now >= destTime ) {
                        that.isAnimating = false;
                        that._translate(destX, destY);

                        if ( !that.resetPosition(that.options.bounceTime) ) {
                            that._execEvent('scrollEnd');
                        }

                        return;
                    }

                    now = ( now - startTime ) / duration;
                    easing = easingFn(now);
                    newX = ( destX - startX ) * easing + startX;
                    newY = ( destY - startY ) * easing + startY;
                    that._translate(newX, newY);

                    if ( that.isAnimating ) {
                        rAF(step);
                    }
                }

                this.isAnimating = true;
                step();
            },
            handleEvent: function (e) {
                switch ( e.type ) {
                    case 'touchstart':
                    case 'pointerdown':
                    case 'MSPointerDown':
                    case 'mousedown':
                        this._start(e);
                        break;
                    case 'touchmove':
                    case 'pointermove':
                    case 'MSPointerMove':
                    case 'mousemove':
                        this._move(e);
                        break;
                    case 'touchend':
                    case 'pointerup':
                    case 'MSPointerUp':
                    case 'mouseup':
                    case 'touchcancel':
                    case 'pointercancel':
                    case 'MSPointerCancel':
                    case 'mousecancel':
                        this._end(e);
                        break;
                    case 'orientationchange':
                    case 'resize':
                        this._resize();
                        break;
                    case 'transitionend':
                    case 'webkitTransitionEnd':
                    case 'oTransitionEnd':
                    case 'MSTransitionEnd':
                        this._transitionEnd(e);
                        break;
                    case 'wheel':
                    case 'DOMMouseScroll':
                    case 'mousewheel':
                        this._wheel(e);
                        break;
                    case 'keydown':
                        this._key(e);
                        break;
                    case 'click':
                        if ( !e._constructed ) {
                            e.preventDefault();
                            e.stopPropagation();
                        }
                        break;
                }
            }
        };
        IScroll.utils = utils;

        if ( typeof module != 'undefined' && module.exports ) {
            module.exports = IScroll;
        } else {
            window.IScroll = IScroll;
        }

    })(window, document, Math);

});